<template>
<div class="recommend" ref="recommend">
  <scroll ref="scroll" class="recommend-content" :data="discList">
    <div>
      <div v-if="recommends.length" class="slider-wrapper">
        <slider>
          <div :key="item.text" v-for="item in recommends">
            <a :href="item.linkUrl">
              <!--监听图片是否有needsclick 有则不拦截图片的点击事件，解决fastclick和batterscroll冲突问题-->
              <img class="needsclick" @load="loadImg" :src="item.picUrl" alt="">
            </a>
          </div>
        </slider>
      </div>
        <div class="recommend-list">
            <h1 class="list-title">热门歌单推荐</h1>
            <ul style="margin: 0;padding: 0px 10px 0px 20px;">
              <li @click="selectItem(item)" :key="index" v-for="(item, index) in discList" class="item">
                <div class="icon">
                  <img width="60" height="60" v-lazy="item.imgurl" alt="">
                </div>
                <div class="text">
                  <h2 class="name" v-html="item.creator.name"></h2>
                  <p class="desc" v-html="item.dissname"></p>
                </div>
              </li>
            </ul>
        </div>
      </div>
    <div class="loading-container" v-show="!discList.length">
      <loading></loading>
    </div>
  </scroll>
  <router-view></router-view>
  </div>
</template>

<script>
import Loading from 'base/loading/loading'
import Scroll from 'base/scroll/scroll'
import Slider from 'base/slider/slider'
import {getRecommend, getDiscList} from 'api/recommend'
import {ERR_OK} from 'api/config'
import {playlistMixin} from 'common/js/mixin'
import {mapMutations} from 'vuex'

export default {
  mixins: [playlistMixin],
  data() {
    return {
      recommends: [],
      discList: []
    }
  },
  created: function () {
    this._getRecommend()
    this._getDiscList()
  },
  methods: {
    handlePlaylist(playlist) {
      const bottom = playlist.length > 0 ? '60px' : ''
      this.$refs.recommend.style.bottom = bottom
      this.$refs.scroll.refresh()
    },
    selectItem(item) {
      this.$router.push({
        path: `/recommend/${item.dissid}`
      })
      this.setDisc(item)
    },
    _getRecommend() {
      getRecommend().then((res) => {
        if (res.code === ERR_OK) {
          this.recommends = res.data.slider
        }
      })
    },
    _getDiscList() {
      getDiscList().then((res) => {
        if (res.code === ERR_OK) {
          this.discList = res.data.list
        }
      })
    },
    loadImg() {
      if (!this.checkLoaded) {
        this.$refs.scroll.refresh()
        this.checkLoaded = true
      }
    },
    ...mapMutations({
      setDisc: 'SET_DISC'
    })
  },
  components: {
    Slider,
    Scroll,
    Loading
  }
}
</script>

<style scoped lang="stylus" rel="stylesheet/stylus">
  @import "~common/stylus/variable"

  .recommend
    position fixed
    width 100%
    top 98px
    bottom 0
    .recommend-content
      width 100%
      height 100%
      overflow hidden
      .slider-wrapper
        position relative
        width 100%
        overflow hidden
      .recommend-list
        .list-title
          height 65px
          line-height 65px
          text-align center
          font-size $font-size-medium
          color $color-theme
  .item
    display flex
    box-sizing border-box
    align-items center
    padding 0 20px 20px 0px
    .icon
      flex 0 0 60px
      width 60px
      padding-right 20px
    .text
      display flex
      flex-direction column
      justify-content center
      flex 1
      line-height 20px
      overflow hidden
      font-size $font-size-medium
      .name
        margin-bottom 10px
        color $color-text
      .desc
        color $color-text-d
  .loading-container
           position absolute
           width 100%
           top 50%
           transform translateY(-50%)

</style>
